diff options
Diffstat (limited to 'kernel/irq/handle.c')
-rw-r--r-- | kernel/irq/handle.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 3aba8d12f328..4709a7c870d7 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c | |||
@@ -17,6 +17,7 @@ | |||
17 | #include <linux/kernel_stat.h> | 17 | #include <linux/kernel_stat.h> |
18 | #include <linux/rculist.h> | 18 | #include <linux/rculist.h> |
19 | #include <linux/hash.h> | 19 | #include <linux/hash.h> |
20 | #include <trace/irq.h> | ||
20 | 21 | ||
21 | #include "internals.h" | 22 | #include "internals.h" |
22 | 23 | ||
@@ -316,6 +317,9 @@ irqreturn_t no_action(int cpl, void *dev_id) | |||
316 | return IRQ_NONE; | 317 | return IRQ_NONE; |
317 | } | 318 | } |
318 | 319 | ||
320 | DEFINE_TRACE(irq_handler_entry); | ||
321 | DEFINE_TRACE(irq_handler_exit); | ||
322 | |||
319 | /** | 323 | /** |
320 | * handle_IRQ_event - irq action chain handler | 324 | * handle_IRQ_event - irq action chain handler |
321 | * @irq: the interrupt number | 325 | * @irq: the interrupt number |
@@ -332,7 +336,9 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action) | |||
332 | local_irq_enable_in_hardirq(); | 336 | local_irq_enable_in_hardirq(); |
333 | 337 | ||
334 | do { | 338 | do { |
339 | trace_irq_handler_entry(irq, action); | ||
335 | ret = action->handler(irq, action->dev_id); | 340 | ret = action->handler(irq, action->dev_id); |
341 | trace_irq_handler_exit(irq, action, ret); | ||
336 | if (ret == IRQ_HANDLED) | 342 | if (ret == IRQ_HANDLED) |
337 | status |= action->flags; | 343 | status |= action->flags; |
338 | retval |= ret; | 344 | retval |= ret; |